US7568672B2 - Selectively adjustable mounting assembly - Google Patents
Selectively adjustable mounting assembly Download PDFInfo
- Publication number
- US7568672B2 US7568672B2 US11/760,557 US76055707A US7568672B2 US 7568672 B2 US7568672 B2 US 7568672B2 US 76055707 A US76055707 A US 76055707A US 7568672 B2 US7568672 B2 US 7568672B2
- Authority
- US
- United States
- Prior art keywords
- collar
- collars
- shaft
- actuator
- receptacle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/022—Locking means for rotational movement by friction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/025—Locking means for translational movement
- F16M2200/027—Locking means for translational movement by friction
Definitions
- the present invention relates to adjustable mounting assemblies. More specifically, the present invention relates to an assembly for mounting two articles and facilitating selective positioning of the articles with respect to each other.
- the present invention addresses the foregoing needs in the art by providing a selectively adjustable mounting assembly.
- an adjustable attachment mechanism includes an elongate shaft, first and second seats disposed on opposite ends of the shaft, first and second collars, and an actuator.
- the first and second collars are disposed to translate along the elongate shaft.
- An inner surface of the first collar cooperates with the first seat to define a first receptacle and an inner surface of the second collar cooperates with the second seat to define a second receptacle.
- the actuator is in communication with the first and second collars and is actuable to selectively traverse the first and second collars along the shaft in a first direction away from each other and in a second direction toward each other, the movement in the first direction loosening the first and second receptacles and the movement in the second direction tightening the first and second receptacles.
- an adjustable attachment mechanism includes an elongate shaft, first and second collars, and an actuator.
- the elongate shaft has a first seat at one end and a second seat at the other end.
- the first and second collars are disposed on the shaft and translatable along a length of the shaft.
- the first and second collars each have a receiving area and a threaded portion, and are disposed on the shaft such that the receiving area of the first collar and the first seat define a first receptacle and the receiving area of the second collar and the second seat define a second receptacle.
- the actuator is rotatable about the elongate shaft.
- the actuator has a first threaded portion disposed to cooperate with the threaded portion of the first collar and a second threaded portion disposed to cooperate with the second threaded portion of the second collar.
- the threaded portion of the first collar and the threaded portion of the second collar are oppositely threaded such that when the actuator is rotated in a first direction, the threaded engagements of the actuator to the first and second collars cause the first and second collars to move along the shaft away from each other, and when the actuator is rotated in a second direction opposite the first direction, the threaded engagements of the actuator to the first and second collars cause the first and second collars to move along the shaft toward each other.
- FIG. 1 is a perspective view of an adjustable mounting assembly according to a preferred embodiment of the invention.
- FIG. 2 is a cross-sectional elevation view of the adjustable mounting assembly illustrated in FIG. 1 .
- FIG. 3 is an exploded perspective view of the adjustable mounting assembly illustrated in FIG. 1 .
- FIG. 4 is an exploded perspective view of the adjustable mounting assembly of FIG. 1 as used in conjunction with an optical device and a coupler.
- FIG. 5 is a top plan view of the assembly illustrated in FIG. 4 .
- a preferred adjustable mounting assembly 10 generally includes an adjustment mechanism 20 disposed between opposing collars 30 , 40 .
- Each of the collars 30 , 40 defines a receptacle 50 for receiving an article to be mounted. (In FIG. 1 , the receiving area of the collar 40 is obscured by a shroud 60 .)
- the mounting assembly 10 generally operates by actuating the adjustment mechanism 20 to loosen the collars 30 , 40 , thereby allowing an object contained within the receptacle to be selectively adjusted.
- the adjusting mechanism 20 is actuated to tighten the collars 30 , 40 and clamp the object contained therein.
- FIG. 2 is an exploded view of the mounting assembly 10 and FIG. 3 is a cross-sectional view of the mounting assembly 10 . These figures illustrate the components making up the assembly.
- an elongate shaft 12 is disposed at the center of the mounting assembly, and first and second seats 13 , 14 are fixed at ends of the shaft 12 .
- Each of the first and second seats 13 , 14 includes a generally concave surface 16 , the respective concave surfaces 16 generally being disposed to face away from each other.
- Known fasteners, such as screws 18 preferably are used to secure the seats 13 , 14 to the ends of the elongate shaft 12 .
- the shaft 12 and the seats 13 , 14 may be formed as a unitary piece.
- the first and second collars 30 , 40 are arranged proximate the seats 13 , 14 , respectively.
- the first collar 30 generally includes a base 31 and a receiving portion 32 joined thereto.
- the base 31 and the receiving portion 32 may be formed as separate pieces, as depicted in the drawings, or they may comprise a single piece.
- the base 31 has a threaded portion 34 on an external surface. The function of the threaded portion 34 will be described in more detail below.
- the illustrated receiving portion 32 consists of two halves 33 a , 33 b , which preferably are joined to form a substantially unitary piece. (The two halves generally are used for ease of manufacturing ad ease of assembly, but the receiving portion alternatively may be formed as a unitary piece.) Each of the halves 33 a , 33 b has an inner surface that is generally frusto-spherical or frusto-spheroidal. When the two halves 33 a , 33 b are joined, the receiving portion 32 has an internal, generally frusto-spherical surface 35 substantially symmetrical about an equator. The surface 35 defines an opening 37 .
- a bore 39 preferably is formed in the surface proximate the base 31 for receiving the seat 13 , as will be described in more detail below.
- An aperture 36 preferably is formed through the receiving portion 32 , and more specifically, through the base 31 of the receiving portion 32 .
- the aperture 36 is sized and shaped to create a sliding engagement of the receiving portion 32 on the shaft 12 . In this manner, the collar 30 is movable on the shaft 12 .
- the second collar 40 is substantially identical to the first collar 30 .
- the second collar 40 includes a base 41 and a receiving portion 42 having two halves 43 a , 43 b .
- An inner, curved surface 45 of the receiving portion 42 defines an opening 47 , and a bore 49 is formed in the surface 45 proximate the base 41 .
- the base 41 has a threaded area or portion 44 .
- An aperture 46 is formed through the base 41 and allows the collar 40 to move along the shaft 12 .
- the only difference between the first and second collars 30 , 40 is that the threads comprising the threaded area 34 , 44 are opposite, i.e., one of the threads is right-handed and the other of the threads is left-handed.
- the preferred collars 30 , 40 include apertures 36 , 46 that form a clearance fit with the outer surface of the shaft, thereby allowing the collars to slide along an exterior of the shaft.
- the cross-section of the shaft taken transverse to the axial length of the shaft is non-circular (hexagonal in the figures) and the apertures 36 , 46 have complementary shapes. When configured in this manner, rotation of the collars 30 , 40 is substantially impeded, but the collars are free to traverse along the length of the shaft 12 .
- the threaded areas 34 , 44 of the collars 30 , 40 cooperate with first and second threaded portions 24 a , 24 b of the adjustment mechanism 20 .
- the adjustment mechanism 20 is made up of a substantially cylindrical wall 22 having an aperture 23 axially therethrough. The aperture 23 is sized to allow passage of the shaft 12 through the adjustment mechanism 20 .
- the threaded portions 24 a , 24 b are formed on an inside of the cylindrical wall 22 , proximate ends thereof. As indicated above, the first threaded portion 24 a engages the threaded area of the first collar 30 and the second threaded portion 24 b engages the threaded area of the second collar 40 . Because the threads on the respective collars 30 , 40 preferably are opposite threads, the threaded portions 24 a , 24 b of the adjustment mechanism 20 also has opposite threads in the preferred embodiment.
- the adjustment mechanism also may include a gripping surface 26 and/or indicia 28 .
- the gripping surface 26 preferably promotes actuation of the adjustment mechanism 20 by a user.
- the gripping surface may be raised or indented with respect to the outer surface of the cylindrical wall 22 , and/or it may be patterned, knurled, or the like.
- the indicia 28 preferably provides instruction to the user, for example, instruction regarding actuation directions or the like. Alternatively or additionally, the indicia may be ornate and for aesthetic purposes only.
- the shaft 12 is first passed through the aperture 23 of the adjustment mechanism 20 .
- the base portions 31 , 41 of the first and second collars 30 , 40 are then respectively passed over opposite ends of the shaft 12 on opposite ends of the adjustment mechanism
- the bases 31 , 41 are oriented such that the threaded areas 34 , 44 are adjacent the adjustment mechanism 20 .
- the receiving portions 32 , 42 then are placed on the bases 31 , 41 and the seats 13 , 14 are secured to the ends of the shaft with their concave surfaces 16 directed away from each other, i.e., outwardly along an axis of the shaft.
- the seats 13 , 14 maintain the collars 30 , 40 on the shaft 12 .
- the seats 13 , 14 are received in the bores 39 , 49 of the receiving portions 32 , 42 , and the concave surfaces 16 of the seats 13 , 14 generally align with the inner surfaces 35 , 45 of the receiving portions 32 , 42 to form the receptacles 50 .
- the collars 30 , 40 preferably are engaged with the adjustment mechanism 20 via the threads. Actuation, i.e., rotation, of the adjustment mechanism about the shaft 12 in a first direction causes the collars to move along the shaft either in a direction closer to each other or in a direction away from each other, while actuation of the adjustment mechanism in the second direction opposite the first direction causes the collars to move in the opposite directions.
- the receiving portions are moved relatively outwardly, with a bottom of the bore 39 , 49 approaching a side of the seat 13 , 14 opposite the concave surface 16 , effectively widening the receptacle 50 , or loosening the mounting assembly 10 .
- the adjustment mechanism when the adjustment mechanism is actuated to move the collars respectively closer to each other, the portion of the surfaces 35 , 45 of the receiving portions 32 , 42 facing the concave surface 16 of the respective seat 13 , 14 is moved relatively closer to that concave surface (i.e., the bottom of the bore is distanced from the side of the seat opposite the concave surface), thereby effectively narrowing the receptacle 50 , or tightening the mounting assembly 10 .
- the collars 30 , 40 When tightened, the collars 30 , 40 are moved such that the seats 13 , 14 and the curved surfaces 35 , 45 clamp an article in the receptacle.
- movement of collars 30 , 40 causes relative movement of the seats 13 , 14 within the bores 39 , 49 of the respective collar to effectively enlarge or reduce an internal dimension of the receptacle 50 between the concave surface 16 of the seat 13 , 14 and an opposing portion of the curved surfaces 35 , 45 .
- the receptacle preferably receives a ball joint formed on an article to be mounted, such as the ball joint 82 formed on a mount 80 , as illustrated in FIG. 4 .
- the adjustment mechanism 20 preferably is actuated to loosen the mounting assembly 10 , as described above.
- the ball is movable within the receptacle, but preferably is maintained within the receptacle 50 . In this manner, the ball may be manipulated within the receptacle to a desired position.
- the adjustment mechanism preferably is actuated to tighten the mounting assembly 10 , thereby maintaining the ball (and attached device) in the desired position, i.e., by clamping the ball between the curved inner surface of the receiving portion and the concave surface of the seat.
- the preferred adjustable mounting assembly is particularly useful for mounting a personal video display device 70 to goggles, a helmet, or other devices (not shown) worn on, about, or proximate one's head. More specifically, the first collar 30 of the mounting assembly 10 retains a display device 70 and the second collar retains a coupler 80 .
- the display device 70 generally includes a viewing pane through which images or other information is viewed, a cable 74 for sending/receiving information to/from a source (not shown), a connector 76 for interfacing with the source, and a ball mount 78 received in the receptacle 50 of the first collar 30 .
- the coupler 80 may be of any construction for attaching the assembly to headgear, such as goggles, a helmet, or the like, and includes a ball mount 82 received in the receptacle 50 of the second collar 40 .
- the coupler 80 is coupled to a user's headgear, thereby mounting the display device 70 .
- the user then actuates the adjustment mechanism, as described above, to loosen the mounting assembly 10 , positions the display device 70 in a desired viewing position, and tightens the mounting assembly 10 to retain the display device 70 in the desired viewing position.
- the ball mounts 78 , 82 are movable within the receptacle over a relatively large range of motion. As will be appreciated, however, this range of motion is limited both by the width of the receiving portion 32 , 42 and the size of any attachments extending radially from the ball mount 78 , 82 proximate the receiving portion. For example, when the cable 74 is passed through the ball mount 78 as shown in FIGS. 4 and 5 , movement of the display device within the receptacle will be impeded when the cable 74 contacts the receiving portion 32 . This may be cured by routing the cable 74 outside the assembly 10 altogether, although such an arrangement is less compact.
- Protrusions 84 used in the operation of the coupler 80 pose motion impediment problems similar to those resulting from the cable 74 . Namely, as the coupler 80 is moved within the collar, the protrusions 84 eventually will contact the receiving portion 42 , disallowing further movement of the coupler 80 in a direction. Limiting the diameter of the cable 74 and any protrusions 84 will increase the range of motion of the respective devices.
- the adjustable mounting assembly may include one or more shrouds 60 .
- the shrouds 60 preferably are disposed over the receptacles 50 .
- the shrouds preferably aid in retaining the ball joints within the receptacle and/or they may help to prevent dust, moisture or any other foreign matter from entering the receptacle 50 .
- an aperture 62 is formed in each shroud 60 through which features, e.g., the cable 74 and the protrusions 84 , of the device to be mounted is passed.
- the shrouds 60 preferably are pliable, and thus impart only limited resistance to adjustment of the mounted devices.
- the present invention has been described in conjunction with mounting display devices on head gear, the invention is not limited to this use. It is contemplated that the device may be used in any number of applications in which a relatively large degree of adjustability is desirable between two articles.
- internal threads are formed on the adjustment mechanism and external threads are formed on the collars 30 , 40 .
- the threads on the adjustment mechanism could be external with the threads on the collars being internal, i.e., formed on an inner wall of a bore or the like.
- the receptacles 50 generally are frusto-spherical for receiving a ball joint, such that the device acts generally like a ball-and-socket joint.
- the surface and the received joint may be any number of geometrical shapes or surfaces providing relative movement. For example, it is contemplated that movement in only a single plane may be desirable in which case the interface between the receptacle and the joint may include a slot or movement may be otherwise constrained.
Abstract
Description
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/760,557 US7568672B2 (en) | 2007-06-08 | 2007-06-08 | Selectively adjustable mounting assembly |
Applications Claiming Priority (1)
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US11/760,557 US7568672B2 (en) | 2007-06-08 | 2007-06-08 | Selectively adjustable mounting assembly |
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US20080302937A1 US20080302937A1 (en) | 2008-12-11 |
US7568672B2 true US7568672B2 (en) | 2009-08-04 |
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US8355208B1 (en) | 2010-06-15 | 2013-01-15 | Rockwell Collins, Inc. | Quick adjustment mechanism for head or helmet mounted displays |
US8467133B2 (en) | 2010-02-28 | 2013-06-18 | Osterhout Group, Inc. | See-through display with an optical assembly including a wedge-shaped illumination system |
US8472120B2 (en) | 2010-02-28 | 2013-06-25 | Osterhout Group, Inc. | See-through near-eye display glasses with a small scale image source |
US8477425B2 (en) | 2010-02-28 | 2013-07-02 | Osterhout Group, Inc. | See-through near-eye display glasses including a partially reflective, partially transmitting optical element |
US8482859B2 (en) | 2010-02-28 | 2013-07-09 | Osterhout Group, Inc. | See-through near-eye display glasses wherein image light is transmitted to and reflected from an optically flat film |
US8488246B2 (en) | 2010-02-28 | 2013-07-16 | Osterhout Group, Inc. | See-through near-eye display glasses including a curved polarizing film in the image source, a partially reflective, partially transmitting optical element and an optically flat film |
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US20140294485A1 (en) * | 2013-03-27 | 2014-10-02 | Humanetics Innovative Solutions, Inc. | Joint assembly for crash test dummy |
US8960632B2 (en) | 2011-07-05 | 2015-02-24 | Mediamounts, Ltd. | Dual bar linkage monitor support with adustment feature |
US9091851B2 (en) | 2010-02-28 | 2015-07-28 | Microsoft Technology Licensing, Llc | Light control in head mounted displays |
US9097890B2 (en) | 2010-02-28 | 2015-08-04 | Microsoft Technology Licensing, Llc | Grating in a light transmissive illumination system for see-through near-eye display glasses |
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US9128281B2 (en) | 2010-09-14 | 2015-09-08 | Microsoft Technology Licensing, Llc | Eyepiece with uniformly illuminated reflective display |
US9129295B2 (en) | 2010-02-28 | 2015-09-08 | Microsoft Technology Licensing, Llc | See-through near-eye display glasses with a fast response photochromic film system for quick transition from dark to clear |
US9134534B2 (en) | 2010-02-28 | 2015-09-15 | Microsoft Technology Licensing, Llc | See-through near-eye display glasses including a modular image source |
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US20150354745A1 (en) * | 2014-06-09 | 2015-12-10 | James (Tseryeng) Lin | Double ball joint locking device |
US9223134B2 (en) | 2010-02-28 | 2015-12-29 | Microsoft Technology Licensing, Llc | Optical imperfections in a light transmissive illumination system for see-through near-eye display glasses |
US9229227B2 (en) | 2010-02-28 | 2016-01-05 | Microsoft Technology Licensing, Llc | See-through near-eye display glasses with a light transmissive wedge shaped illumination system |
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